import type { PageServerLoad, Actions } from './$types';
import { fail, redirect } from '@sveltejs/kit';
import { db } from '$lib/server/db';
import { applications } from '$lib/server/schema';
import { sendApplicationNotification } from '$lib/server/email';
import { loginLimiter } from '$lib/server/rate-limit';

export const load: PageServerLoad = async ({ parent }) => {
	const parentData = await parent();

	if (!parentData.orgConfig.applications.fosterEnabled) {
		throw redirect(302, '/');
	}

	return parentData;
};

export const actions: Actions = {
	default: async ({ request, getClientAddress, locals }) => {
		const ip = request.headers.get('x-forwarded-for')?.split(',')[0]?.trim() ?? getClientAddress();
		if (!loginLimiter.check(`apply-foster:${ip}`)) {
			return fail(429, { error: 'Too many submissions. Please try again later.' });
		}

		const formData = await request.formData();

		const firstName = formData.get('firstName')?.toString().trim() ?? '';
		const lastName = formData.get('lastName')?.toString().trim() ?? '';
		const applicantName = `${firstName} ${lastName}`.trim();
		const email = formData.get('email')?.toString().trim() ?? '';
		const phone = formData.get('phone')?.toString().trim() ?? '';

		const data: Record<string, unknown> = {};
		const fieldNames = [
			'firstName', 'lastName',
			'address1', 'address2', 'city', 'state', 'zip',
			'ownRent', 'landlordInfo',
			'householdMembers', 'currentAnimals', 'otherPropertyPets', 'previousPets',
			'petsVaccinated', 'yardFenced', 'fenceHeight',
			'whereDuringDay', 'whereSleepNight', 'hoursAlone', 'activityLevel',
			'whyFoster', 'howHeard', 'agreeLeash',
			'integratedBefore', 'twoWeekShutdown',
			'felony', 'felonyDetails', 'animalNeglect',
			'reference1Name', 'reference1Phone', 'reference1Relationship',
			'reference2Name', 'reference2Phone', 'reference2Relationship',
			'reference3Name', 'reference3Phone', 'reference3Relationship',
			'vetName', 'vetClinic', 'vetPhone',
			'landlordName', 'landlordPhone',
			'acknowledge', 'signature'
		];

		for (const name of fieldNames) {
			data[name] = formData.get(name)?.toString() ?? '';
		}

		data.petType = formData.getAll('petType').map((v) => v.toString());
		data.traits = formData.getAll('traits').map((v) => v.toString());

		for (let i = 1; i <= 20; i++) {
			data[`agreement${i}`] = formData.get(`agreement${i}`)?.toString() ?? '';
		}

		const errors: string[] = [];
		if (!firstName) errors.push('First name is required.');
		if (!lastName) errors.push('Last name is required.');
		if (!email) errors.push('Email is required.');
		if (!phone) errors.push('Phone number is required.');
		if (!data.address1) errors.push('Address is required.');
		if (!data.city) errors.push('City is required.');
		if (!data.state) errors.push('State is required.');
		if (!data.zip) errors.push('ZIP code is required.');
		if (!data.ownRent) errors.push('Own/rent is required.');
		if (!data.householdMembers) errors.push('Household members is required.');
		if (!data.currentAnimals) errors.push('Current animals is required.');
		if (!data.previousPets) errors.push('Previous pets is required.');
		if (!data.petsVaccinated) errors.push('Vaccination status is required.');
		if (!data.yardFenced) errors.push('Yard fencing status is required.');
		if (!data.whereDuringDay) errors.push('Where animal stays during the day is required.');
		if (!data.whereSleepNight) errors.push('Where animal sleeps at night is required.');
		if (!data.hoursAlone) errors.push('Hours alone is required.');
		if (!data.activityLevel) errors.push('Activity level is required.');
		if (!data.whyFoster) errors.push('Why you want to foster is required.');
		if (!data.howHeard) errors.push('How you heard about us is required.');
		if (!data.agreeLeash) errors.push('Leash agreement is required.');
		if (!data.integratedBefore) errors.push('Integration experience is required.');
		if (!data.twoWeekShutdown) errors.push('2-week shutdown response is required.');
		if (!data.felony) errors.push('Felony question is required.');
		if (!data.animalNeglect) errors.push('Animal neglect question is required.');
		if (!data.reference1Name || !data.reference1Phone) errors.push('Reference 1 is required.');
		if (!data.reference2Name || !data.reference2Phone) errors.push('Reference 2 is required.');
		if (!data.reference3Name || !data.reference3Phone) errors.push('Reference 3 is required.');
		if (!data.vetName || !data.vetClinic || !data.vetPhone) errors.push('Veterinarian information is required.');
		if (!data.landlordName || !data.landlordPhone) errors.push('Landlord information is required (put N/A if you own).');
		if (data.acknowledge !== 'yes') errors.push('You must acknowledge the foster agreement.');
		if (!data.signature) errors.push('Signature is required.');

		for (let i = 1; i <= 20; i++) {
			if (!data[`agreement${i}`]) {
				errors.push(`Agreement item ${i} is required.`);
				break;
			}
		}

		if (errors.length > 0) {
			return fail(400, {
				error: errors.join(' '),
				firstName,
				lastName,
				applicantName,
				email,
				phone,
				...data
			});
		}

		await db.insert(applications).values({
			type: 'foster',
			petId: null,
			applicantName,
			applicantEmail: email,
			applicantPhone: phone || null,
			formData: data
		});

		const orgConfig = locals.orgConfig;
		if (orgConfig.orgInfo.email) {
			try {
				sendApplicationNotification(
					orgConfig.orgInfo.name,
					orgConfig.orgInfo.email,
					applicantName,
					'foster'
				);
			} catch {
				// Email failure should not break form submission
			}
		}

		return { success: true };
	}
};